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    <title>Document</title>
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    <script type="text/javascript" src="js/axios.js"></script>
    <script type="text/javascript">
        //async/await处理多个异步任务

        axios.defaults.baseURL = 'http://localhost:3000';

        async function queryData() {
            // 1 添加await之后 当前的await 返回结果之后才会执行后面的代码
            var info = await axios.get('async1');
            //2 让异步代码看起来、表现起来更像同步代码
            var ret = await axios.get('async2?info=' + info.data);
            return ret.data;
        }

        queryData().then(function(data) {
            console.log(data)
        })
    </script>
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